package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
* @Description: 套餐管理
        * @Param: 
        * @return: 
        * @Author: Lei
        * @Date: 
 */

@RestController
@RequestMapping("/setmeal")
@Slf4j
@Api(tags = "套餐相关接口")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;


    @Autowired
    private SetmealDishService setmealDishService;


    @Autowired
    private CategoryService categoryService;

    /**
    * @Description: 新增套餐
            * @Param:
            * @return:
            * @Author: Lei
            * @Date:
     */

    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true) //清理setmealcache所有缓存数据
    @ApiOperation(value = "新增套餐接口")
    public R<String> saveSetmeal(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto);

        setmealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");
    }
    
    
    /**
    * @Description: 套餐分页查询
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @GetMapping("/page")
    @ApiOperation(value = "套餐分页查询接口")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "page",value = "页码",required = true),
            @ApiImplicitParam(name = "pageSize",value = "每页记录数",required = true),
            @ApiImplicitParam(name = "name",value = "套餐名称",required = false)

    })
    public R<Page> pageSetmeal(int page,int pageSize,String name){

        /**分页构造器*/
        Page<Setmeal> pageInfo=new Page<>(page,pageSize);

        Page<SetmealDto> dtoPage=new Page<>(page,pageSize);

        LambdaQueryWrapper<Setmeal> lambdaQueryWrapper=new LambdaQueryWrapper<>();
        /**添加查询条件，根据name进行like模糊查询*/
        lambdaQueryWrapper.like(name!=null,Setmeal::getName,name);
        /**添加排序条件*/
        lambdaQueryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,lambdaQueryWrapper);

        /**对象拷贝*/
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list=records.stream().map((item)->{
            SetmealDto setmealDto=new SetmealDto();
            BeanUtils.copyProperties(item,setmealDto);
            /**分类id*/
            Long categoryId = item.getCategoryId();

            Category category = categoryService.getById(categoryId);
            if (category != null) {
                /**分类名称*/
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;

        }).collect(Collectors.toList());

        dtoPage.setRecords(list);

        return R.success(dtoPage);
    }


    /**
    * @Description: 删除套餐，单个批量都可以
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true) //清理setmealcache所有缓存数据
    public R<String> deleteSetmeal(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);

        setmealService.removeWithDish(ids);



        return R.success("套餐删除成功");
    }

    /**
    * @Description: 根据条件查询套餐数据
            * @Param: 
            * @return: 
            * @Author: Lei
            * @Date: 
     */
    
    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId+'_'+#setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> lambdaQueryWrapper=new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        lambdaQueryWrapper.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        lambdaQueryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(lambdaQueryWrapper);


        return R.success(list);
    }


}
